2421902293 has 4 divisors (see below), whose sum is σ = 2422001248. Its totient is φ = 2421803340.

The previous prime is 2421902261. The next prime is 2421902299. The reversal of 2421902293 is 3922091242.

2421902293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2421902293 - 2⁵ = 2421902261 is a prime.

It is a super-2 number, since 2×2421902293² = 11731221433677315698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421902299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17080 + ... + 71662.

It is an arithmetic number, because the mean of its divisors is an integer number (605500312).

Almost surely, 2^2421902293 is an apocalyptic number.

It is an amenable number.

2421902293 is a deficient number, since it is larger than the sum of its proper divisors (98955).

2421902293 is an equidigital number, since it uses as much as digits as its factorization.

2421902293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98954.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2421902293 is about 49212.8265089499. The cubic root of 2421902293 is about 1342.9263833421.

The spelling of 2421902293 in words is "two billion, four hundred twenty-one million, nine hundred two thousand, two hundred ninety-three".